Dog barking restraining device



FIG. 1 is a perspective view of a dog barking restraining device showing my new design;

FIG. 2 is a front elevation view of the invention illustrated in FIG. 1;

FIG. 3 is a rear elevation view of the invention illustrated in FIG. 1;

FIG. 4 is a left elevation view of the invention illustrated in FIG. 1;

FIG. 5 is a right elevation view of the invention illustrated in FIG. 1;

FIG. 6 is a top plan view of the invention illustrated in FIG. 1;

FIG. 7 is a bottom plan view of the invention illustrated in FIG. 1; and,

FIG. 8 is a front perspective view of the dog barking restraining device of FIG. 1 shown with an attachment mechanism, the broken lines showing environment for illustrative purposes only and forming no part of the claimed design. 

The ornamental design for a dog barking restraining device, as shown and described. 